Table 3.
Epoch-by-Epoch Comparison of Automated Sleep Scores with Visual Sleep Scores. An Average Agreement of 93.7% was Achieved Among all Sleep Stages, with the Lowest Agreement Rate for REM Sleep, about 85%. Kappa Values between 2 Sets of Human Visual Scores Averaged 0.879 (SD 0.035) in 5 Animals, and Those Between Human Visual Scores and Automated Scores Averaged 0.901 (SD 0.027).
| No. of epochs | Automated Scores |
Agreement | ||||
|---|---|---|---|---|---|---|
| Wake | REM | S12 | S34 | |||
| Human Scores |
Wake | 35584 | 690 | 511 | 75 | 96.5% |
| REM | 654 | 6288 | 414 | 0 | 85.5% | |
| S12 | 400 | 427 | 16462 | 585 | 92.1% | |
| S34 | 16 | 1 | 557 | 6084 | 91.4% | |
| Agreement | 97.1% | 84.9% | 91.7% | 90.2% | 93.7% | |